set_hash_lock(9)

💅 set_hash_lock(9) 💅

Okay so bestie, welcome to the set_hash_lock(9) page from the Kernel API Manual. This one is literally about setting, changing, or clearing the hash lock that a data_vio is using. No cap. 🫶

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✨ NAME ✨

set_hash_lock — set, change, or clear the hash lock a data_vio is using. 💖

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🌸 SYNOPSIS 🌸

void set_hash_lock (struct data_vio *data_vio , struct hash_lock
       *new_lock );

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🎀 ARGUMENTS 🎀

• data_vio — the data_vio to update. It's getting the update treatment, periodt. ✨
• new_lock — the hash lock the data_vio is joining. Welcome to the lock group chat, bestie. 💅

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🦋 DESCRIPTION 🦋

Updates the hash lock (or locks) to reflect the change in membership. That's the whole plot, ngl. 🔥

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💖 SEE ALSO 💖

The kernel file ./drivers/md/dm-vdo/dedupe.c is the source-file bestie here, and the SEE ALSO squad is stacked:

• Introduction(9)
• return_hash_lock_to_pool(9)
• vdo_get_duplicate_lock(9)
• hash_lock_key(9)
• get_hash_lock_state_name(9)
• assert_hash_lock_agent(9)
• set_duplicate_lock(9)
• dequeue_lock_waiter(9)
• exit_hash_lock(9)
• set_duplicate_location(9)
• retire_lock_agent(9)
• wait_on_hash_lock(9)
• abort_waiter(9)
• start_bypassing(9)
• finish_unlocking(9)
• unlock_duplicate_pbn(9)
• start_unlocking(9)
• finish_updating(9)
• start_updating(9)
• finish_deduping(9)
• acquire_lock(9)
• enter_forked_lock(9)
• fork_hash_lock(9)
• launch_dedupe(9)
• start_deduping(9)
• increment_stat(9)
• finish_verifying(9)
• start_verifying(9)
• finish_locking(9)
• lock_duplicate_pbn(9)
• start_locking(9)
• finish_writing(9)
• select_writing_agent(9)
• start_writing(9)
• finish_querying(9)
• start_querying(9)
• report_bogus_lock_state(9)
• vdo_continue_hash_lock(9)
• is_hash_collision(9)
• vdo_acquire_hash_lock(9)
• vdo_release_hash_lock(9)
• transfer_allocation_lock(9)
• vdo_share_compressed_write_lock(9)
• report_dedupe_timeouts(9)
• finish_index_operation(9)
• check_for_drain_complete(9)
• vdo_make_hash_zones(9)
• vdo_free_hash_zones(9)
• suspend_index(9)
• resume_index(9)
• vdo_resume_hash_zones(9)
• get_hash_zone_statistics(9)
• vdo_get_dedupe_statistics(9)
• vdo_select_hash_zone(9)
• dump_hash_lock(9)
• dump_hash_zone(9)
• vdo_dump_hash_zones(9)
• acquire_context(9)

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That's the entire page, bestie. Source/version vibe: ./drivers/md/dm-vdo, dated October 2026, and the page is set_hash_lock(9) — mwah 💋✨